/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License") +  you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.openmeetings.db.entity.record;

import java.io.Serializable;
import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;

import org.apache.openjpa.persistence.jdbc.ForeignKey;
import org.simpleframework.xml.Element;
import org.simpleframework.xml.Root;

/**
 * contains meta data about each stream, for example if it is a screen sharing or
 * audio/video stream. There is also a {@link Status} value
 * {@link #streamStatus}, as long as this variable is not set
 * to {@link Status.STOPPED}, the recording process will not proceed and start to convert all
 * input sources to a single recording file.
 * 
 * @author sebawagner
 */
@Entity
@NamedQueries({ 
	@NamedQuery(name = "getMetaById", query = "SELECT c FROM FlvRecordingMetaData c WHERE c.flvRecordingMetaDataId = :id")
	, @NamedQuery(name = "getMetaByRecording", query = "SELECT c FROM FlvRecordingMetaData c WHERE c.flvRecording.flvRecordingId = :recordingId AND c.deleted = false")
	, @NamedQuery(name = "getAudioMetaByRecording", query = "SELECT c FROM FlvRecordingMetaData c WHERE c.flvRecording.flvRecordingId = :recordingId "
			+ "AND c.screenData = false AND c.streamStatus <> :none AND (c.isAudioOnly = true OR (c.isAudioOnly = false AND c.isVideoOnly = false))")
	, @NamedQuery(name = "getScreenMetaByRecording", query = "SELECT c FROM FlvRecordingMetaData c WHERE c.flvRecording.flvRecordingId = :recordingId"
			+ " AND c.screenData = true")
})
@Table(name = "flvrecording_metadata")
@Root(name = "flvrecordingmetadata")
public class FlvRecordingMetaData implements Serializable {
	private static final long serialVersionUID = 1L;
	public enum Status {
		NONE
		, STARTED
		, STOPPING
		, STOPPED
	}
	
	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	@Column(name = "id")
	@Element(data = true, required = false)
	private long flvRecordingMetaDataId;

	@ManyToOne(fetch = FetchType.EAGER)
	@JoinColumn(name = "flvrecording_id", nullable = true)
	@ForeignKey(enabled = true)
	private FlvRecording flvRecording;

	@Column(name = "record_start")
	@Element(data = true)
	private Date recordStart;

	@Column(name = "record_end")
	@Element(data = true, required = false)
	private Date recordEnd;

	@Column(name = "stream_name")
	@Element(data = true)
	private String streamName;

	@Column(name = "free_text_user_name")
	@Element(data = true)
	private String freeTextUserName;

	@Column(name = "is_audio_only")
	@Element(data = true)
	private Boolean isAudioOnly;

	@Column(name = "is_video_only")
	@Element(data = true)
	private Boolean isVideoOnly;

	@Column(name = "is_screen_data")
	@Element(data = true, name = "isScreenData")
	private boolean screenData;

	@Column(name = "inserted_by")
	@Element(data = true, required = false)
	private Long insertedBy;

	@Column(name = "inserted")
	@Element(data = true)
	private Date inserted;

	@Column(name = "updated")
	@Element(data = true, required = false)
	private Date updated;

	@Column(name = "deleted")
	private boolean deleted;

	@Column(name = "wav_audio_data")
	@Element(data = true, required = false)
	private String wavAudioData;

	@Column(name = "full_wav_audio_data")
	@Element(data = true, required = false)
	private String fullWavAudioData;

	@Column(name = "audio_is_valid")
	@Element(data = true, required = false)
	private Boolean audioIsValid;

	@Column(name = "interiew_pod_id")
	@Element(data = true, required = false)
	private Integer interiewPodId;

	/**
	 * this is only STOPPED when the asynchronous stream writer's have completed to write packets to the file.
	 * @see BaseStreamWriter#closeStream()
	 */
	@Column(name = "stream_status")
	@Enumerated(EnumType.STRING)
	private Status streamStatus = Status.NONE;

	public long getFlvRecordingMetaDataId() {
		return flvRecordingMetaDataId;
	}

	public void setFlvRecordingMetaDataId(long flvRecordingMetaDataId) {
		this.flvRecordingMetaDataId = flvRecordingMetaDataId;
	}

	public FlvRecording getFlvRecording() {
		return flvRecording;
	}

	public void setFlvRecording(FlvRecording flvRecording) {
		this.flvRecording = flvRecording;
	}

	public Date getRecordStart() {
		return recordStart;
	}

	public void setRecordStart(Date recordStart) {
		this.recordStart = recordStart;
	}

	public Date getRecordEnd() {
		return recordEnd;
	}

	public void setRecordEnd(Date recordEnd) {
		this.recordEnd = recordEnd;
	}

	public String getFreeTextUserName() {
		return freeTextUserName;
	}

	public void setFreeTextUserName(String freeTextUserName) {
		this.freeTextUserName = freeTextUserName;
	}

	public Boolean getIsAudioOnly() {
		return isAudioOnly;
	}

	public void setIsAudioOnly(Boolean isAudioOnly) {
		this.isAudioOnly = isAudioOnly;
	}

	public Boolean getIsVideoOnly() {
		return isVideoOnly;
	}

	public void setIsVideoOnly(Boolean isVideoOnly) {
		this.isVideoOnly = isVideoOnly;
	}

	public Long getInsertedBy() {
		return insertedBy;
	}

	public void setInsertedBy(Long insertedBy) {
		this.insertedBy = insertedBy;
	}

	public Date getInserted() {
		return inserted;
	}

	public void setInserted(Date inserted) {
		this.inserted = inserted;
	}

	public boolean getDeleted() {
		return deleted;
	}

	public void setDeleted(boolean deleted) {
		this.deleted = deleted;
	}

	public Date getUpdated() {
		return updated;
	}

	public void setUpdated(Date updated) {
		this.updated = updated;
	}

	public boolean isScreenData() {
		return screenData;
	}

	public void setScreenData(boolean screenData) {
		this.screenData = screenData;
	}

	public String getStreamName() {
		return streamName;
	}

	public void setStreamName(String streamName) {
		this.streamName = streamName;
	}

	public String getWavAudioData() {
		return wavAudioData;
	}

	public void setWavAudioData(String wavAudioData) {
		this.wavAudioData = wavAudioData;
	}

	public String getFullWavAudioData() {
		return fullWavAudioData;
	}

	public void setFullWavAudioData(String fullWavAudioData) {
		this.fullWavAudioData = fullWavAudioData;
	}

	public Boolean getAudioIsValid() {
		return audioIsValid;
	}

	public void setAudioIsValid(Boolean audioIsValid) {
		this.audioIsValid = audioIsValid;
	}

	public Integer getInteriewPodId() {
		return interiewPodId;
	}

	public void setInteriewPodId(Integer interiewPodId) {
		this.interiewPodId = interiewPodId;
	}

	public Status getStreamStatus() {
		return streamStatus;
	}

	public void setStreamStatus(Status status) {
		this.streamStatus = status;
	}
}